OP didn't point out In case the ten - 12 gr bark was powdered or not, I assume powdered for a chilly tek. I'd personally never ever cold soak a non-powder, not even finely shredded, since that will be wasting product imho. some say Which may be bad - but https://yesbookmarks.com/story20113353/not-known-facts-about-ayahuasca-drug-where-to-buy